MANUFACTURING METHOD FOR TERMINAL-EQUIPPED ELECTRIC WIRE, AND TERMINAL-EQUIPPED ELECTRIC WIRE
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United States of America Patent
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Issued Date -
May 30, 2024
app pub date -
Nov 6, 2023
filing date -
Nov 30, 2022
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Abstract
A manufacturing method for a terminal-equipped electric wire includes a core wire inserting step S1 and a crimping step S2. A die main body of a caulking die includes a caulking convex part. The caulking convex part is provided protruding from a pressing surface of the die main body toward a core wire crimp part, has a rectangular cross section along an axial direction, and has a length in the axial direction twice or more the thickness of the thickness of the core wire crimp part before crimping. Using such a caulking die, at the crimping step, the core wire crimp part into which a core wire is inserted at the core wire inserting step is pressed by the pressing surface of the die main body to form a caulking region.
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